40000-41656:82+9087=? 54049+3070*93-7358=? 2888:76*51=? 2632:94*42=?

1) 40000-41656:82+9087=40000-508+9087=48579

2) 54049+3070*93-7358=54049+285510-7358=332201

3) 2888:76*51=38*51=1938

4) 2632:94*42=28*42=1176

40000-41656:82+9087= 40 000 - 508 + 9 087 = 48 579

54049+3070*93-7358= 54 049 + 285 510 - 7 358 = 332 201

2888:76*51=38*51 = 1 938

2632:94*42 =28*42 = 1 176